Home / 1,208,419.02-1,667,584.98-664,554.80

Finding the Fourth Proportional to 1,208,419.02, 1,667,584.98 and 664,554.80

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Solution

The fourth proportional to 1,208,419.02, 1,667,584.98 and 664,554.80 is: 917,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,419.02 : 1,667,584.98 = 664,554.80 : x
  2. Step 2: Convert to fraction form
    1,208,419.02/1,667,584.98 = 664,554.80/x
  3. Step 3: Cross multiply
    1,208,419.02x = 1,667,584.98 × 664,554.80
  4. Step 4: Simplify right side
    1,208,419.02x = 1,108,201,602,866.90
  5. Step 5: Solve for x
    x = 1,108,201,602,866.90/1,208,419.02
  6. Step 6: Final answer
    x = 917,067.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.